Petit boucle du côté d'Orvault 7 12.9 37.4 40 37.3 63.4 64.5 61.9 66.9 66.7 68.5 50.9 65.3 62.4 44.5 54.2 33.9 33.1 23.3 26.3 27.1 38.5 38 38.7 24.5 13.5 8.1 20.7